STM32 MCUs Products

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Storage time limitation for MCU STM32F051C4T6

Hello.As the MCU is very difficult to purchase this moment, we have a stock with about 2000pcs for STM32F051C4T6, however it was manufactured in 2013. It was 8 years in the warehouse, can we use it for mass production if the soldering process is not ...

WLiao.1 by Associate II
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  • 3 replies
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STM32L4R7ZIT exiting / returning from STOP1

Hello,I'm trying to understand which steps need to be taken when exiting the stop modes with STM32L4R7ZIT.Say that we are in stop1 mode, RCC->CFGR-STOPWUCK == 0 (MSI). Before entering stop1 we were clocked by HSE 12 MHz via the main PLL into 120 MHz ...

NArnd by Associate III
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  • 0 replies
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How to use JSON library in st micontrollers

I want to use JSON library to send customized data to serverWhere i can get the library?Micro controller connected with modem (sim900a)Motive is to how to send Json formatted data from st controller to server.*My controller is :STM32F042G6

Ss.61 by Associate III
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  • 5 replies
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printf does not work properly on stm32f407

I am using stm32f407 discovery board. My printf function works fine but when it comes to printing numeric values HardFault(Bus fault) occurs. It prints alphabets perfectly fine but cant print numeric values. e.g. printf("UFSR=%x, *pUFSR);  It prints ...

Krunal by Associate
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  • 1 replies
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Resolved! Hardfault in __libc_init_array with STM32L072

Hi,I'm working on a STM32L072 project, with an environment composed of arm-none-eabi-gcc compiler version 10-2020-q4, make and Eclipse IDE.I'm having trouble with a hardfault occuring in libc_init_array function call in startup file. Using disassemb...

0693W000006Hx7xQAC.png 0693W000006HxLGQA0.png
OCout.1 by Associate II
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  • 6 replies
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